16197495040

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{408203}}^1$

素因数の和:408255

約数の個数: 72

約数和(自身を含む): 40049710848

約数和(自身を除く): 23852215808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 408203, 816406, 1632812, 2041015, 3265624, 4082030, 6531248, 8164060, 12654293, 13062496, 16328120, 25308586, 26124992, 32656240, 50617172, 52249984, 63271465, 65312480, 101234344, 104499968, 126542930, 130624960, 202468688, 253085860, 261249920, 404937376, 506171720, 522499840, 809874752, 1012343440, 1619749504, 2024686880, 3239499008, 4049373760, 8098747520, 16197495040]

約数ペア:

[(1, 16197495040), (2, 8098747520), (4, 4049373760), (5, 3239499008), (8, 2024686880), (10, 1619749504), (16, 1012343440), (20, 809874752), (31, 522499840), (32, 506171720), (40, 404937376), (62, 261249920), (64, 253085860), (80, 202468688), (124, 130624960), (128, 126542930), (155, 104499968), (160, 101234344), (248, 65312480), (256, 63271465), (310, 52249984), (320, 50617172), (496, 32656240), (620, 26124992), (640, 25308586), (992, 16328120), (1240, 13062496), (1280, 12654293), (1984, 8164060), (2480, 6531248), (3968, 4082030), (4960, 3265624), (7936, 2041015), (9920, 1632812), (19840, 816406), (39680, 408203)]