25903750

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 80

約数和(自身を含む): 54657504

約数和(自身を除く): 28753754

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 53, 85, 106, 115, 125, 170, 230, 250, 265, 391, 425, 530, 575, 625, 782, 850, 901, 1150, 1219, 1250, 1325, 1802, 1955, 2125, 2438, 2650, 2875, 3910, 4250, 4505, 5750, 6095, 6625, 9010, 9775, 10625, 12190, 13250, 14375, 19550, 20723, 21250, 22525, 28750, 30475, 33125, 41446, 45050, 48875, 60950, 66250, 97750, 103615, 112625, 152375, 207230, 225250, 244375, 304750, 488750, 518075, 563125, 761875, 1036150, 1126250, 1523750, 2590375, 5180750, 12951875, 25903750]

約数ペア:

[(1, 25903750), (2, 12951875), (5, 5180750), (10, 2590375), (17, 1523750), (23, 1126250), (25, 1036150), (34, 761875), (46, 563125), (50, 518075), (53, 488750), (85, 304750), (106, 244375), (115, 225250), (125, 207230), (170, 152375), (230, 112625), (250, 103615), (265, 97750), (391, 66250), (425, 60950), (530, 48875), (575, 45050), (625, 41446), (782, 33125), (850, 30475), (901, 28750), (1150, 22525), (1219, 21250), (1250, 20723), (1325, 19550), (1802, 14375), (1955, 13250), (2125, 12190), (2438, 10625), (2650, 9775), (2875, 9010), (3910, 6625), (4250, 6095), (4505, 5750)]