40630980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4007}}^1$

素因数の和:4045

約数の個数: 72

約数和(自身を含む): 123221952

約数和(自身を除く): 82590972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 4007, 5070, 8014, 10140, 12021, 16028, 20035, 24042, 40070, 48084, 52091, 60105, 80140, 104182, 120210, 156273, 208364, 240420, 260455, 312546, 520910, 625092, 677183, 781365, 1041820, 1354366, 1562730, 2031549, 2708732, 3125460, 3385915, 4063098, 6771830, 8126196, 10157745, 13543660, 20315490, 40630980]

約数ペア:

[(1, 40630980), (2, 20315490), (3, 13543660), (4, 10157745), (5, 8126196), (6, 6771830), (10, 4063098), (12, 3385915), (13, 3125460), (15, 2708732), (20, 2031549), (26, 1562730), (30, 1354366), (39, 1041820), (52, 781365), (60, 677183), (65, 625092), (78, 520910), (130, 312546), (156, 260455), (169, 240420), (195, 208364), (260, 156273), (338, 120210), (390, 104182), (507, 80140), (676, 60105), (780, 52091), (845, 48084), (1014, 40070), (1690, 24042), (2028, 20035), (2535, 16028), (3380, 12021), (4007, 10140), (5070, 8014)]