41997280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:420

約数の個数: 96

約数和(自身を含む): 108930528

約数和(自身を除く): 66933248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 65, 80, 104, 122, 130, 160, 208, 244, 260, 305, 331, 416, 488, 520, 610, 662, 793, 976, 1040, 1220, 1324, 1586, 1655, 1952, 2080, 2440, 2648, 3172, 3310, 3965, 4303, 4880, 5296, 6344, 6620, 7930, 8606, 9760, 10592, 12688, 13240, 15860, 17212, 20191, 21515, 25376, 26480, 31720, 34424, 40382, 43030, 52960, 63440, 68848, 80764, 86060, 100955, 126880, 137696, 161528, 172120, 201910, 262483, 323056, 344240, 403820, 524966, 646112, 688480, 807640, 1049932, 1312415, 1615280, 2099864, 2624830, 3230560, 4199728, 5249660, 8399456, 10499320, 20998640, 41997280]

約数ペア:

[(1, 41997280), (2, 20998640), (4, 10499320), (5, 8399456), (8, 5249660), (10, 4199728), (13, 3230560), (16, 2624830), (20, 2099864), (26, 1615280), (32, 1312415), (40, 1049932), (52, 807640), (61, 688480), (65, 646112), (80, 524966), (104, 403820), (122, 344240), (130, 323056), (160, 262483), (208, 201910), (244, 172120), (260, 161528), (305, 137696), (331, 126880), (416, 100955), (488, 86060), (520, 80764), (610, 68848), (662, 63440), (793, 52960), (976, 43030), (1040, 40382), (1220, 34424), (1324, 31720), (1586, 26480), (1655, 25376), (1952, 21515), (2080, 20191), (2440, 17212), (2648, 15860), (3172, 13240), (3310, 12688), (3965, 10592), (4303, 9760), (4880, 8606), (5296, 7930), (6344, 6620)]