49279880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{977}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 120763440

約数和(自身を除く): 71483560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 776, 970, 977, 1261, 1940, 1954, 2522, 3880, 3908, 4885, 5044, 6305, 7816, 9770, 10088, 12610, 12701, 19540, 25220, 25402, 39080, 50440, 50804, 63505, 94769, 101608, 127010, 189538, 254020, 379076, 473845, 508040, 758152, 947690, 1231997, 1895380, 2463994, 3790760, 4927988, 6159985, 9855976, 12319970, 24639940, 49279880]

約数ペア:

[(1, 49279880), (2, 24639940), (4, 12319970), (5, 9855976), (8, 6159985), (10, 4927988), (13, 3790760), (20, 2463994), (26, 1895380), (40, 1231997), (52, 947690), (65, 758152), (97, 508040), (104, 473845), (130, 379076), (194, 254020), (260, 189538), (388, 127010), (485, 101608), (520, 94769), (776, 63505), (970, 50804), (977, 50440), (1261, 39080), (1940, 25402), (1954, 25220), (2522, 19540), (3880, 12701), (3908, 12610), (4885, 10088), (5044, 9770), (6305, 7816)]