85260920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 197799840

約数和(自身を除く): 112538920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 83, 122, 166, 244, 305, 332, 415, 421, 488, 610, 664, 830, 842, 1220, 1660, 1684, 2105, 2440, 3320, 3368, 4210, 5063, 8420, 10126, 16840, 20252, 25315, 25681, 34943, 40504, 50630, 51362, 69886, 101260, 102724, 128405, 139772, 174715, 202520, 205448, 256810, 279544, 349430, 513620, 698860, 1027240, 1397720, 2131523, 4263046, 8526092, 10657615, 17052184, 21315230, 42630460, 85260920]

約数ペア:

[(1, 85260920), (2, 42630460), (4, 21315230), (5, 17052184), (8, 10657615), (10, 8526092), (20, 4263046), (40, 2131523), (61, 1397720), (83, 1027240), (122, 698860), (166, 513620), (244, 349430), (305, 279544), (332, 256810), (415, 205448), (421, 202520), (488, 174715), (610, 139772), (664, 128405), (830, 102724), (842, 101260), (1220, 69886), (1660, 51362), (1684, 50630), (2105, 40504), (2440, 34943), (3320, 25681), (3368, 25315), (4210, 20252), (5063, 16840), (8420, 10126)]