2117979680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{797}}^1\times {\mathrm{977}}^1$

素因数の和:1806

約数の個数: 96

約数和(自身を含む): 5310140976

約数和(自身を除く): 3192161296

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 797, 977, 1360, 1594, 1954, 2720, 3188, 3908, 3985, 4885, 6376, 7816, 7970, 9770, 12752, 13549, 15632, 15940, 16609, 19540, 25504, 27098, 31264, 31880, 33218, 39080, 54196, 63760, 66436, 67745, 78160, 83045, 108392, 127520, 132872, 135490, 156320, 166090, 216784, 265744, 270980, 332180, 433568, 531488, 541960, 664360, 778669, 1083920, 1328720, 1557338, 2167840, 2657440, 3114676, 3893345, 6229352, 7786690, 12458704, 13237373, 15573380, 24917408, 26474746, 31146760, 52949492, 62293520, 66186865, 105898984, 124587040, 132373730, 211797968, 264747460, 423595936, 529494920, 1058989840, 2117979680]

約数ペア:

[(1, 2117979680), (2, 1058989840), (4, 529494920), (5, 423595936), (8, 264747460), (10, 211797968), (16, 132373730), (17, 124587040), (20, 105898984), (32, 66186865), (34, 62293520), (40, 52949492), (68, 31146760), (80, 26474746), (85, 24917408), (136, 15573380), (160, 13237373), (170, 12458704), (272, 7786690), (340, 6229352), (544, 3893345), (680, 3114676), (797, 2657440), (977, 2167840), (1360, 1557338), (1594, 1328720), (1954, 1083920), (2720, 778669), (3188, 664360), (3908, 541960), (3985, 531488), (4885, 433568), (6376, 332180), (7816, 270980), (7970, 265744), (9770, 216784), (12752, 166090), (13549, 156320), (15632, 135490), (15940, 132872), (16609, 127520), (19540, 108392), (25504, 83045), (27098, 78160), (31264, 67745), (31880, 66436), (33218, 63760), (39080, 54196)]