65512696240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{127219}}^1$

素因数の和:127430

約数の個数: 80

約数和(自身を含む): 157027137120

約数和(自身を除く): 91514440880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 157, 164, 205, 314, 328, 410, 628, 656, 785, 820, 1256, 1570, 1640, 2512, 3140, 3280, 6280, 6437, 12560, 12874, 25748, 32185, 51496, 64370, 102992, 127219, 128740, 254438, 257480, 508876, 514960, 636095, 1017752, 1272190, 2035504, 2544380, 5088760, 5215979, 10177520, 10431958, 19973383, 20863916, 26079895, 39946766, 41727832, 52159790, 79893532, 83455664, 99866915, 104319580, 159787064, 199733830, 208639160, 319574128, 399467660, 417278320, 798935320, 818908703, 1597870640, 1637817406, 3275634812, 4094543515, 6551269624, 8189087030, 13102539248, 16378174060, 32756348120, 65512696240]

約数ペア:

[(1, 65512696240), (2, 32756348120), (4, 16378174060), (5, 13102539248), (8, 8189087030), (10, 6551269624), (16, 4094543515), (20, 3275634812), (40, 1637817406), (41, 1597870640), (80, 818908703), (82, 798935320), (157, 417278320), (164, 399467660), (205, 319574128), (314, 208639160), (328, 199733830), (410, 159787064), (628, 104319580), (656, 99866915), (785, 83455664), (820, 79893532), (1256, 52159790), (1570, 41727832), (1640, 39946766), (2512, 26079895), (3140, 20863916), (3280, 19973383), (6280, 10431958), (6437, 10177520), (12560, 5215979), (12874, 5088760), (25748, 2544380), (32185, 2035504), (51496, 1272190), (64370, 1017752), (102992, 636095), (127219, 514960), (128740, 508876), (254438, 257480)]