28805200

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 75280896

約数和(自身を除く): 46475696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 40, 46, 50, 62, 80, 92, 100, 101, 115, 124, 155, 184, 200, 202, 230, 248, 310, 368, 400, 404, 460, 496, 505, 575, 620, 713, 775, 808, 920, 1010, 1150, 1240, 1426, 1550, 1616, 1840, 2020, 2300, 2323, 2480, 2525, 2852, 3100, 3131, 3565, 4040, 4600, 4646, 5050, 5704, 6200, 6262, 7130, 8080, 9200, 9292, 10100, 11408, 11615, 12400, 12524, 14260, 15655, 17825, 18584, 20200, 23230, 25048, 28520, 31310, 35650, 37168, 40400, 46460, 50096, 57040, 58075, 62620, 71300, 72013, 78275, 92920, 116150, 125240, 142600, 144026, 156550, 185840, 232300, 250480, 285200, 288052, 313100, 360065, 464600, 576104, 626200, 720130, 929200, 1152208, 1252400, 1440260, 1800325, 2880520, 3600650, 5761040, 7201300, 14402600, 28805200]

約数ペア:

[(1, 28805200), (2, 14402600), (4, 7201300), (5, 5761040), (8, 3600650), (10, 2880520), (16, 1800325), (20, 1440260), (23, 1252400), (25, 1152208), (31, 929200), (40, 720130), (46, 626200), (50, 576104), (62, 464600), (80, 360065), (92, 313100), (100, 288052), (101, 285200), (115, 250480), (124, 232300), (155, 185840), (184, 156550), (200, 144026), (202, 142600), (230, 125240), (248, 116150), (310, 92920), (368, 78275), (400, 72013), (404, 71300), (460, 62620), (496, 58075), (505, 57040), (575, 50096), (620, 46460), (713, 40400), (775, 37168), (808, 35650), (920, 31310), (1010, 28520), (1150, 25048), (1240, 23230), (1426, 20200), (1550, 18584), (1616, 17825), (1840, 15655), (2020, 14260), (2300, 12524), (2323, 12400), (2480, 11615), (2525, 11408), (2852, 10100), (3100, 9292), (3131, 9200), (3565, 8080), (4040, 7130), (4600, 6262), (4646, 6200), (5050, 5704)]