51220130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 103638528

約数和(自身を除く): 52418398

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 83, 94, 101, 130, 166, 202, 235, 415, 470, 505, 611, 830, 1010, 1079, 1222, 1313, 2158, 2626, 3055, 3901, 4747, 5395, 6110, 6565, 7802, 8383, 9494, 10790, 13130, 16766, 19505, 23735, 39010, 41915, 47470, 50713, 61711, 83830, 101426, 108979, 123422, 217958, 253565, 308555, 394001, 507130, 544895, 617110, 788002, 1089790, 1970005, 3940010, 5122013, 10244026, 25610065, 51220130]

約数ペア:

[(1, 51220130), (2, 25610065), (5, 10244026), (10, 5122013), (13, 3940010), (26, 1970005), (47, 1089790), (65, 788002), (83, 617110), (94, 544895), (101, 507130), (130, 394001), (166, 308555), (202, 253565), (235, 217958), (415, 123422), (470, 108979), (505, 101426), (611, 83830), (830, 61711), (1010, 50713), (1079, 47470), (1222, 41915), (1313, 39010), (2158, 23735), (2626, 19505), (3055, 16766), (3901, 13130), (4747, 10790), (5395, 9494), (6110, 8383), (6565, 7802)]