65813113840

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1\times {\mathrm{9689}}^1$

素因数の和:10330

約数の個数: 80

約数和(自身を含む): 154164954240

約数和(自身を除く): 88351840400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 431, 788, 862, 985, 1576, 1724, 1970, 2155, 3152, 3448, 3940, 4310, 6896, 7880, 8620, 9689, 15760, 17240, 19378, 34480, 38756, 48445, 77512, 84907, 96890, 155024, 169814, 193780, 339628, 387560, 424535, 679256, 775120, 849070, 1358512, 1698140, 1908733, 3396280, 3817466, 4175959, 6792560, 7634932, 8351918, 9543665, 15269864, 16703836, 19087330, 20879795, 30539728, 33407672, 38174660, 41759590, 66815344, 76349320, 83519180, 152698640, 167038360, 334076720, 822663923, 1645327846, 3290655692, 4113319615, 6581311384, 8226639230, 13162622768, 16453278460, 32906556920, 65813113840]

約数ペア:

[(1, 65813113840), (2, 32906556920), (4, 16453278460), (5, 13162622768), (8, 8226639230), (10, 6581311384), (16, 4113319615), (20, 3290655692), (40, 1645327846), (80, 822663923), (197, 334076720), (394, 167038360), (431, 152698640), (788, 83519180), (862, 76349320), (985, 66815344), (1576, 41759590), (1724, 38174660), (1970, 33407672), (2155, 30539728), (3152, 20879795), (3448, 19087330), (3940, 16703836), (4310, 15269864), (6896, 9543665), (7880, 8351918), (8620, 7634932), (9689, 6792560), (15760, 4175959), (17240, 3817466), (19378, 3396280), (34480, 1908733), (38756, 1698140), (48445, 1358512), (77512, 849070), (84907, 775120), (96890, 679256), (155024, 424535), (169814, 387560), (193780, 339628)]