87855860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 203986944

約数和(自身を除く): 116131084

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 61, 62, 92, 101, 115, 122, 124, 155, 202, 230, 244, 305, 310, 404, 460, 505, 610, 620, 713, 1010, 1220, 1403, 1426, 1891, 2020, 2323, 2806, 2852, 3131, 3565, 3782, 4646, 5612, 6161, 6262, 7015, 7130, 7564, 9292, 9455, 11615, 12322, 12524, 14030, 14260, 15655, 18910, 23230, 24644, 28060, 30805, 31310, 37820, 43493, 46460, 61610, 62620, 72013, 86986, 123220, 141703, 144026, 173972, 190991, 217465, 283406, 288052, 360065, 381982, 434930, 566812, 708515, 720130, 763964, 869860, 954955, 1417030, 1440260, 1909910, 2834060, 3819820, 4392793, 8785586, 17571172, 21963965, 43927930, 87855860]

約数ペア:

[(1, 87855860), (2, 43927930), (4, 21963965), (5, 17571172), (10, 8785586), (20, 4392793), (23, 3819820), (31, 2834060), (46, 1909910), (61, 1440260), (62, 1417030), (92, 954955), (101, 869860), (115, 763964), (122, 720130), (124, 708515), (155, 566812), (202, 434930), (230, 381982), (244, 360065), (305, 288052), (310, 283406), (404, 217465), (460, 190991), (505, 173972), (610, 144026), (620, 141703), (713, 123220), (1010, 86986), (1220, 72013), (1403, 62620), (1426, 61610), (1891, 46460), (2020, 43493), (2323, 37820), (2806, 31310), (2852, 30805), (3131, 28060), (3565, 24644), (3782, 23230), (4646, 18910), (5612, 15655), (6161, 14260), (6262, 14030), (7015, 12524), (7130, 12322), (7564, 11615), (9292, 9455)]