38837500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 91869120

約数和(自身を除く): 53031620

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 239, 250, 260, 325, 478, 500, 625, 650, 956, 1195, 1250, 1300, 1625, 2390, 2500, 3107, 3125, 3250, 4780, 5975, 6214, 6250, 6500, 8125, 11950, 12428, 12500, 15535, 16250, 23900, 29875, 31070, 32500, 40625, 59750, 62140, 77675, 81250, 119500, 149375, 155350, 162500, 298750, 310700, 388375, 597500, 746875, 776750, 1493750, 1553500, 1941875, 2987500, 3883750, 7767500, 9709375, 19418750, 38837500]

約数ペア:

[(1, 38837500), (2, 19418750), (4, 9709375), (5, 7767500), (10, 3883750), (13, 2987500), (20, 1941875), (25, 1553500), (26, 1493750), (50, 776750), (52, 746875), (65, 597500), (100, 388375), (125, 310700), (130, 298750), (239, 162500), (250, 155350), (260, 149375), (325, 119500), (478, 81250), (500, 77675), (625, 62140), (650, 59750), (956, 40625), (1195, 32500), (1250, 31070), (1300, 29875), (1625, 23900), (2390, 16250), (2500, 15535), (3107, 12500), (3125, 12428), (3250, 11950), (4780, 8125), (5975, 6500), (6214, 6250)]