45642640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 110707200

約数和(自身を除く): 65064560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 61, 80, 94, 122, 188, 199, 235, 244, 305, 376, 398, 470, 488, 610, 752, 796, 940, 976, 995, 1220, 1592, 1880, 1990, 2440, 2867, 3184, 3760, 3980, 4880, 5734, 7960, 9353, 11468, 12139, 14335, 15920, 18706, 22936, 24278, 28670, 37412, 45872, 46765, 48556, 57340, 60695, 74824, 93530, 97112, 114680, 121390, 149648, 187060, 194224, 229360, 242780, 374120, 485560, 570533, 748240, 971120, 1141066, 2282132, 2852665, 4564264, 5705330, 9128528, 11410660, 22821320, 45642640]

約数ペア:

[(1, 45642640), (2, 22821320), (4, 11410660), (5, 9128528), (8, 5705330), (10, 4564264), (16, 2852665), (20, 2282132), (40, 1141066), (47, 971120), (61, 748240), (80, 570533), (94, 485560), (122, 374120), (188, 242780), (199, 229360), (235, 194224), (244, 187060), (305, 149648), (376, 121390), (398, 114680), (470, 97112), (488, 93530), (610, 74824), (752, 60695), (796, 57340), (940, 48556), (976, 46765), (995, 45872), (1220, 37412), (1592, 28670), (1880, 24278), (1990, 22936), (2440, 18706), (2867, 15920), (3184, 14335), (3760, 12139), (3980, 11468), (4880, 9353), (5734, 7960)]