19321250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 80

約数和(自身を含む): 41330520

約数和(自身を除く): 22009270

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 41, 50, 58, 65, 82, 125, 130, 145, 205, 250, 290, 325, 377, 410, 533, 625, 650, 725, 754, 1025, 1066, 1189, 1250, 1450, 1625, 1885, 2050, 2378, 2665, 3250, 3625, 3770, 5125, 5330, 5945, 7250, 8125, 9425, 10250, 11890, 13325, 15457, 16250, 18125, 18850, 25625, 26650, 29725, 30914, 36250, 47125, 51250, 59450, 66625, 77285, 94250, 133250, 148625, 154570, 235625, 297250, 333125, 386425, 471250, 666250, 743125, 772850, 1486250, 1932125, 3864250, 9660625, 19321250]

約数ペア:

[(1, 19321250), (2, 9660625), (5, 3864250), (10, 1932125), (13, 1486250), (25, 772850), (26, 743125), (29, 666250), (41, 471250), (50, 386425), (58, 333125), (65, 297250), (82, 235625), (125, 154570), (130, 148625), (145, 133250), (205, 94250), (250, 77285), (290, 66625), (325, 59450), (377, 51250), (410, 47125), (533, 36250), (625, 30914), (650, 29725), (725, 26650), (754, 25625), (1025, 18850), (1066, 18125), (1189, 16250), (1250, 15457), (1450, 13325), (1625, 11890), (1885, 10250), (2050, 9425), (2378, 8125), (2665, 7250), (3250, 5945), (3625, 5330), (3770, 5125)]