90620140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4909}}^1$

素因数の和:5002

約数の個数: 48

約数和(自身を含む): 207869760

約数和(自身を除く): 117249620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 4909, 9230, 9818, 18460, 19636, 24545, 49090, 63817, 98180, 127634, 255268, 319085, 348539, 638170, 697078, 1276340, 1394156, 1742695, 3485390, 4531007, 6970780, 9062014, 18124028, 22655035, 45310070, 90620140]

約数ペア:

[(1, 90620140), (2, 45310070), (4, 22655035), (5, 18124028), (10, 9062014), (13, 6970780), (20, 4531007), (26, 3485390), (52, 1742695), (65, 1394156), (71, 1276340), (130, 697078), (142, 638170), (260, 348539), (284, 319085), (355, 255268), (710, 127634), (923, 98180), (1420, 63817), (1846, 49090), (3692, 24545), (4615, 19636), (4909, 18460), (9230, 9818)]