25423720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 70502400

約数和(自身を除く): 45078680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 101, 116, 124, 140, 145, 155, 202, 203, 217, 232, 248, 280, 290, 310, 404, 406, 434, 505, 580, 620, 707, 808, 812, 868, 899, 1010, 1015, 1085, 1160, 1240, 1414, 1624, 1736, 1798, 2020, 2030, 2170, 2828, 2929, 3131, 3535, 3596, 4040, 4060, 4340, 4495, 5656, 5858, 6262, 6293, 7070, 7192, 8120, 8680, 8990, 11716, 12524, 12586, 14140, 14645, 15655, 17980, 20503, 21917, 23432, 25048, 25172, 28280, 29290, 31310, 31465, 35960, 41006, 43834, 50344, 58580, 62620, 62930, 82012, 87668, 90799, 102515, 109585, 117160, 125240, 125860, 164024, 175336, 181598, 205030, 219170, 251720, 363196, 410060, 438340, 453995, 635593, 726392, 820120, 876680, 907990, 1271186, 1815980, 2542372, 3177965, 3631960, 5084744, 6355930, 12711860, 25423720]

約数ペア:

[(1, 25423720), (2, 12711860), (4, 6355930), (5, 5084744), (7, 3631960), (8, 3177965), (10, 2542372), (14, 1815980), (20, 1271186), (28, 907990), (29, 876680), (31, 820120), (35, 726392), (40, 635593), (56, 453995), (58, 438340), (62, 410060), (70, 363196), (101, 251720), (116, 219170), (124, 205030), (140, 181598), (145, 175336), (155, 164024), (202, 125860), (203, 125240), (217, 117160), (232, 109585), (248, 102515), (280, 90799), (290, 87668), (310, 82012), (404, 62930), (406, 62620), (434, 58580), (505, 50344), (580, 43834), (620, 41006), (707, 35960), (808, 31465), (812, 31310), (868, 29290), (899, 28280), (1010, 25172), (1015, 25048), (1085, 23432), (1160, 21917), (1240, 20503), (1414, 17980), (1624, 15655), (1736, 14645), (1798, 14140), (2020, 12586), (2030, 12524), (2170, 11716), (2828, 8990), (2929, 8680), (3131, 8120), (3535, 7192), (3596, 7070), (4040, 6293), (4060, 6262), (4340, 5858), (4495, 5656)]