91055920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 220307328

約数和(自身を除く): 129251408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 61, 80, 94, 122, 188, 235, 244, 305, 376, 397, 470, 488, 610, 752, 794, 940, 976, 1220, 1588, 1880, 1985, 2440, 2867, 3176, 3760, 3970, 4880, 5734, 6352, 7940, 11468, 14335, 15880, 18659, 22936, 24217, 28670, 31760, 37318, 45872, 48434, 57340, 74636, 93295, 96868, 114680, 121085, 149272, 186590, 193736, 229360, 242170, 298544, 373180, 387472, 484340, 746360, 968680, 1138199, 1492720, 1937360, 2276398, 4552796, 5690995, 9105592, 11381990, 18211184, 22763980, 45527960, 91055920]

約数ペア:

[(1, 91055920), (2, 45527960), (4, 22763980), (5, 18211184), (8, 11381990), (10, 9105592), (16, 5690995), (20, 4552796), (40, 2276398), (47, 1937360), (61, 1492720), (80, 1138199), (94, 968680), (122, 746360), (188, 484340), (235, 387472), (244, 373180), (305, 298544), (376, 242170), (397, 229360), (470, 193736), (488, 186590), (610, 149272), (752, 121085), (794, 114680), (940, 96868), (976, 93295), (1220, 74636), (1588, 57340), (1880, 48434), (1985, 45872), (2440, 37318), (2867, 31760), (3176, 28670), (3760, 24217), (3970, 22936), (4880, 18659), (5734, 15880), (6352, 14335), (7940, 11468)]