31809440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 83126736

約数和(自身を除く): 51317296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 65, 80, 82, 104, 130, 160, 164, 205, 208, 260, 328, 373, 410, 416, 520, 533, 656, 746, 820, 1040, 1066, 1312, 1492, 1640, 1865, 2080, 2132, 2665, 2984, 3280, 3730, 4264, 4849, 5330, 5968, 6560, 7460, 8528, 9698, 10660, 11936, 14920, 15293, 17056, 19396, 21320, 24245, 29840, 30586, 38792, 42640, 48490, 59680, 61172, 76465, 77584, 85280, 96980, 122344, 152930, 155168, 193960, 198809, 244688, 305860, 387920, 397618, 489376, 611720, 775840, 795236, 994045, 1223440, 1590472, 1988090, 2446880, 3180944, 3976180, 6361888, 7952360, 15904720, 31809440]

約数ペア:

[(1, 31809440), (2, 15904720), (4, 7952360), (5, 6361888), (8, 3976180), (10, 3180944), (13, 2446880), (16, 1988090), (20, 1590472), (26, 1223440), (32, 994045), (40, 795236), (41, 775840), (52, 611720), (65, 489376), (80, 397618), (82, 387920), (104, 305860), (130, 244688), (160, 198809), (164, 193960), (205, 155168), (208, 152930), (260, 122344), (328, 96980), (373, 85280), (410, 77584), (416, 76465), (520, 61172), (533, 59680), (656, 48490), (746, 42640), (820, 38792), (1040, 30586), (1066, 29840), (1312, 24245), (1492, 21320), (1640, 19396), (1865, 17056), (2080, 15293), (2132, 14920), (2665, 11936), (2984, 10660), (3280, 9698), (3730, 8528), (4264, 7460), (4849, 6560), (5330, 5968)]