78897177580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{887}}^1\times {\mathrm{1093}}^1$

素因数の和:2315

約数の個数: 96

約数和(自身を含む): 179364818304

約数和(自身を除く): 100467640724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 313, 626, 887, 1093, 1252, 1565, 1774, 2186, 3130, 3548, 4069, 4372, 4435, 5465, 6260, 8138, 8870, 10930, 11531, 14209, 16276, 17740, 20345, 21860, 23062, 28418, 40690, 46124, 56836, 57655, 71045, 81380, 115310, 142090, 230620, 277631, 284180, 342109, 555262, 684218, 969491, 1110524, 1368436, 1388155, 1710545, 1938982, 2776310, 3421090, 3609203, 3877964, 4447417, 4847455, 5552620, 6842180, 7218406, 8894834, 9694910, 12603383, 14436812, 17789668, 18046015, 19389820, 22237085, 25206766, 36092030, 44474170, 50413532, 63016915, 72184060, 88948340, 126033830, 252067660, 303450683, 606901366, 1213802732, 1517253415, 3034506830, 3944858879, 6069013660, 7889717758, 15779435516, 19724294395, 39448588790, 78897177580]

約数ペア:

[(1, 78897177580), (2, 39448588790), (4, 19724294395), (5, 15779435516), (10, 7889717758), (13, 6069013660), (20, 3944858879), (26, 3034506830), (52, 1517253415), (65, 1213802732), (130, 606901366), (260, 303450683), (313, 252067660), (626, 126033830), (887, 88948340), (1093, 72184060), (1252, 63016915), (1565, 50413532), (1774, 44474170), (2186, 36092030), (3130, 25206766), (3548, 22237085), (4069, 19389820), (4372, 18046015), (4435, 17789668), (5465, 14436812), (6260, 12603383), (8138, 9694910), (8870, 8894834), (10930, 7218406), (11531, 6842180), (14209, 5552620), (16276, 4847455), (17740, 4447417), (20345, 3877964), (21860, 3609203), (23062, 3421090), (28418, 2776310), (40690, 1938982), (46124, 1710545), (56836, 1388155), (57655, 1368436), (71045, 1110524), (81380, 969491), (115310, 684218), (142090, 555262), (230620, 342109), (277631, 284180)]