19414640320

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1957121}}^1$

素因数の和:1957169

約数の個数: 56

約数和(自身を含む): 47722462848

約数和(自身を除く): 28307822528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 1957121, 3914242, 7828484, 9785605, 15656968, 19571210, 31313936, 39142420, 60670751, 62627872, 78284840, 121341502, 125255744, 156569680, 242683004, 303353755, 313139360, 485366008, 606707510, 626278720, 970732016, 1213415020, 1941464032, 2426830040, 3882928064, 4853660080, 9707320160, 19414640320]

約数ペア:

[(1, 19414640320), (2, 9707320160), (4, 4853660080), (5, 3882928064), (8, 2426830040), (10, 1941464032), (16, 1213415020), (20, 970732016), (31, 626278720), (32, 606707510), (40, 485366008), (62, 313139360), (64, 303353755), (80, 242683004), (124, 156569680), (155, 125255744), (160, 121341502), (248, 78284840), (310, 62627872), (320, 60670751), (496, 39142420), (620, 31313936), (992, 19571210), (1240, 15656968), (1984, 9785605), (2480, 7828484), (4960, 3914242), (9920, 1957121)]